Circle Group

Circle Group

South East London, London

Identity Security Architect

Full-Time£137,500 - 143,000 per yearпозавчераUnited Kingdom
IT

Job Description

Salary: £137,500 - 143,000 per year

Requirements:
  • Significant experience designing enterprise Identity and Access Management solutions.
  • Strong architecture-level expertise with Microsoft Entra ID and Microsoft identity technologies.
  • Strong understanding of Active Directory and hybrid identity architectures.
  • Demonstrable experience designing Conditional Access strategies at enterprise scale.
  • Strong knowledge of privileged access management and Microsoft Entra PIM.
  • Experience with identity governance, lifecycle management and access certification.
  • Strong understanding of modern authentication and federation protocols including OAuth 2.0, OpenID Connect, SAML and Kerberos.
  • Experience designing passwordless and phishing-resistant authentication solutions.
  • Strong understanding of Microsoft 365 and Azure security architecture.
  • Experience designing identity controls as part of a Zero Trust security architecture.
  • Ability to assess identity security posture and translate findings into prioritised remediation programmes.
  • Experience operating in complex enterprise environments with multiple business units, applications and stakeholder groups.
Responsibilities:
  • Define and deliver enterprise Identity & Access Management architecture, primarily leveraging Microsoft Entra ID across cloud, hybrid and on-premises environments.
  • Design secure authentication, authorisation and identity governance solutions for users, administrators, applications, workloads and external identities.
  • Develop identity roadmaps, architecture standards, security patterns and technical governance frameworks.
  • Architect and optimise Microsoft Entra capabilities including Conditional Access, ID Protection, PIM, Identity Governance, External ID, Access Reviews, Entitlement Management and Hybrid Identity solutions.
  • Design hybrid identity integrations between Active Directory and Microsoft Entra ID, including strategies for passwordless and phishing-resistant authentication.
  • Implement Zero Trust identity architectures, enforcing least privilege, risk-based access controls and secure administrative access models.
  • Define privileged access strategies using Entra PIM, RBAC/ABAC, Just-in-Time access and privileged account governance.
  • Lead identity governance initiatives, including Joiner-Mover-Leaver processes, access certification, lifecycle automation and management of guest/external identities.
  • Provide architectural guidance for application and workload identities, including OAuth 2.0, OpenID Connect, SAML, Enterprise Applications, App Registrations, Managed Identities and Service Principals.
  • Establish governance for application permissions, secrets, certificates and workload credentials, reducing reliance on long-lived credentials.
  • Ensure identity services integrate effectively with the wider Microsoft security ecosystem, including Defender, Sentinel, Intune, Purview and Azure security services.
  • Conduct identity assessments, identify security and operational improvements, and mitigate risks related to privileged access, credential exposure and legacy authentication.
  • Lead stakeholder workshops, translate business and security requirements into technical solutions, and produce architecture documentation, standards and migration roadmaps.
  • Provide technical leadership, design assurance and governance support throughout project delivery, implementation and solution lifecycle.
Technologies:
  • Active Directory
  • Architect
  • Azure
  • Cloud
  • Support
  • Microsoft 365
  • OAuth
  • OpenID
  • RBAC
  • SAML
  • Security
  • Office 365
  • IAM
  • Windows

More:

We are an IT consultancy client offering a mainly remote Identity Security Architect role, with approximately one day per week on site in either central London or Southampton and the remainder working remotely. The contract is available as a six-month day-rate engagement inside IR35 or as a fixed-term contract, with flexible remuneration. We also support reasonable adjustments during the recruitment process and offer referral incentives, including a bonus for successful referrals and an iPad for new client introductions.

last updated 34 week of 2026

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About Circle Group

Circle Group

Circle Group

South East London

IT

Skills & Technologies

GoRustAzureAIUI

Inferred from job description

Salary Insight

£140,250

This role

£90,000

UK median

This salary is 56% above the UK median for Architects90,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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